void ExprCompiler::compile(gc<Expr> expr, int dest)
{
expr->accept(*this, dest);
}
void PatternCompiler::compile(gc<Pattern> pattern, int slot)
{
if (pattern.isNull()) return;
pattern->accept(*this, slot);
}
void Resolver::resolve(gc<Expr> expr)
{
expr->accept(*this, -1);
}